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09-25-2022, 05:13 PM
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#1
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Established Member
Join Date: Jul 2021
Location: Niceville
Posts: 40
M.O.C. #29201
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Help with leak detection
A few weeks back, after driving thru some torrential rains, we discovered avwet spot in the carpeting of our bedroom. It was at the nose end, in the very center, right where the floor steps up from the bedroom to closet. The carpeting in the closet was dry, as was the carpeting to the right, left and rear of the spot in the center. Trying to figure out where the water came from. The roof seams are sealed, but the "mushroom" attic vents are deteriorated. Could the water be getting in there? My other thought is that while driving the wind forced it up & in the pin box?
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09-25-2022, 05:58 PM
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#2
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Montana Master
Join Date: Jan 2018
Location: Austin
Posts: 2,476
M.O.C. #21044
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Looking at your profile - your unit is a 2015 3582RL…floor plan below.
Did the wet spot appear after travel?
If it was caused by rotten roof vents seems like you would see a wet stain on the ceiling.
Which floor location ? A. B. or C?
I had some water creep down the Schwintek bottom rail and a wet spot appeared at “A” due to a driving rain (well that was my best guess - it has not happened again).
__________________
MikenDebbie Aggie ‘77 in the sticks near Austin TX
2019 Chevy 3500 High Country DRW
2018 Montana 3921FB
Aussie Gus + Texas Heeler Jimmy
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09-25-2022, 06:43 PM
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#3
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Site Team
Join Date: Oct 2005
Location: Carmichael - CA
Posts: 7,466
M.O.C. #4831
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Those vents do need to be replaced, but I would expect a wet ceiling if they are the source. Check the roof top antenna to ensure the rubber boot is still installed and in good shape.
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Carl (n Susan)
There is more to life than fuel mileage.
2012 Montana 3700RL Big Sky Package towed by a 2015 Ford F350 6.7L PSD 4WD CC LWB
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09-25-2022, 07:19 PM
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#4
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Montana Master
Join Date: Feb 2008
Location: woodstock
Posts: 548
M.O.C. #8174
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Check your slides
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Ed
Montana Master
Woodstock Ga
2020 3931 FB Legacy
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09-25-2022, 10:49 PM
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#5
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Established Member
Join Date: Jul 2021
Location: Niceville
Posts: 40
M.O.C. #29201
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Quote:
Originally Posted by Mikendebbie
Looking at your profile - your unit is a 2015 3582RL…floor plan below.
Did the wet spot appear after travel?
If it was caused by rotten roof vents seems like you would see a wet stain on the ceiling.
Which floor location ? A. B. or C?
I had some water creep down the Schwintek bottom rail and a wet spot appeared at “A” due to a driving rain (well that was my best guess - it has not happened again).
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Yes, it was after travel. It was at "A". I looked at the top of the slide and that bottom corner but didn't see any wetness, though that would be a logical source.
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09-26-2022, 05:07 AM
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#6
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Montana Master
Join Date: Dec 2007
Location: Kansas City, Missouri
Posts: 2,710
M.O.C. #7992
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We had a similar experience. It was directly under the crank mechanism for the over the air antennae. The fix was as simple as Carl suggested, putting the rubber boot back on the antennae roof base. Used a few dabs of silicone to hold it in place. Hope your fix is as easy.
__________________
2006 3000RK
2009 Ram 2500
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09-26-2022, 06:43 AM
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#7
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Montana Master
Join Date: May 2019
Location: Alton
Posts: 2,773
M.O.C. #24086
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Look up inside your pinbox where the 7 way cable goes through. You will see the bottom of your closet floor and a hole in the frame where the 7 way cable goes through.
I cut 2" styrofoam and packed it in there to insulate it, then used gorilla tape to seal the 7 way cable hole.
I also used gorilla tape to seal around the perimeter where the filion (vinyl surface material) meets the pinbox to seal out the elements for when you are driving.
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10-05-2022, 10:54 AM
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#8
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Seasoned Camper
Join Date: Jul 2018
Location: Gassville
Posts: 58
M.O.C. #22218
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Had the same issue with our 331RL and it had blown in around a dirty bed slide seal and ran along the edge of the slideout. Only figured it out when we went to move and the end of the slide was a wall-thickness past the wet spot.
Also, was it raining before you brought in the slides? It could be runoff from the slide roof.
__________________
2018 Montana High Country 331RL,
2011 Dodge Ram 3500 dually, Firestone air bags, Anderson Ultimate Hitch
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10-06-2022, 04:41 AM
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#9
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Montana Master
Join Date: Oct 2019
Location: Jacksonville
Posts: 2,183
M.O.C. #25165
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CraigB, I just replaced all the vent caps on our 2019 3791RD. Our attic vents looked just like your pictures, so much so that when I first saw the pictures I thought "I don't remember posting them".
Here's the ones I ordered on Amazon for the mushroom vents:
https://www.amazon.com/dp/B074JFP3PP...roduct_details
$14.99 for 2 of them
and here's the other vent caps:
https://www.amazon.com/dp/B09BC7J4F7...roduct_details
$15.99 for 2 of them. I had to order 2 sets (total of 4) since I needed 3.
The big mushroom vent caps just unscrew off. The smaller vent caps have a screw holding them on. Once it is removed, they just pull straight up. The screw was under some silicone on mine.
__________________
Robert & Diana McNeal
2019 Montana Legacy 3791RD 20th Anniversary Edition
2014 F350 4x4 6.7L SRW
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10-06-2022, 02:21 PM
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#10
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Montana Fan
Join Date: Sep 2016
Location: West Melbourne
Posts: 310
M.O.C. #18980
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I had this mysterious problem before and determined that I pulled the bed slide in while raining. The water on the slide wall/roof trickled down on the carpet in zone A of the picture.
__________________
Butch and Kathy
2016 3160RL Legacy, Sailun S637, Centramatic Balancers, 2-T105s, Amish Refrigeration, ARPrv, SoftStartRV, FlexArmor roof
2016 F350 6.7L SRW
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10-24-2022, 07:18 PM
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#11
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Established Member
Join Date: Jul 2021
Location: Niceville
Posts: 40
M.O.C. #29201
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Thanks for your suggestions! I replaced the attic vent caps since they were falling apart (had to buy the whole units as I couldn't find just the caps). Went through some torrential rains in Albuquerque but didn't get any water intrusion. We were stationary so I can't be sure if I resolved the problem. Will be keeping an eye on it during our next travels.
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Craig & Sharon, Niceville, FL
2015 Montana 3582RL
2015 Ford F-350 DRW, 6.7 diesel, Anderson Ultimate Connection Gooseneck Hitch
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10-24-2022, 09:31 PM
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#12
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Montana Master
Join Date: Dec 2021
Location: Northeast TX
Posts: 971
M.O.C. #30262
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Thanks for posting back and letting us know what you believe the final solution was. Now it will be here in print for those who are bashful and use the search function instead. Glad you problem seems to be resolved. Happy camping!
__________________
Lee, Edith, Lil' Bit & Cuddles
22 MHC 331RL, Surge Guard 35550, SumoSprings, Kodiak disc brakes, 412Ah Lithium, Gen 3 Goosebox, Sailun 85s
22 Ram 3500 CC DRW 6.7 CTD Herrin Hauler Classic Bed, 45 gal AUX tank
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